what's the big deal? >> reporter: despite being in baseball for seven decades, mckeon has only been a manager for 16 seasons, including parts of two years with the a's in the late '70s when they were known as the triple-a's, and owner charlie finley was the franchise's biggest star. >> with charlie, you had to find out option a, b, c, d, and you're going to be wrong. you're go doing be wrong, but you better figure out all the options. ♪ can't touch this -- n] >> reporter: he may not be up to speed on twitter or facebook, but mckeon knew all about mc hammer before hammer time became cool. hammer, of course, was an a's bat boy and used to provide his own play by play for finley. >> i was in the booth pitching one day and hammer's up there saying, charlie, we're ahead 8- 1, charlie, he's losing it, he's losing it, charlie, and nobody's warming up the bullpen. one day charlie says, hammer, go down and see cousin karl. i need some kind of information. and he said give the phone to jack. freddie lynn's up, ba